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Question

Multiply 4xy3 and 6x2y verify your result for x=2 and y=1.

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Solution

(4xy3) × (6x2y)

=(4×6)(x×x2)(y3×y)

=24x3y4 [Since, am×an=am+n]

(4xy3) × (6x2y)=24x3y4----(1)

Now, lets verify for x=2 and y=1

LHS =(4xy3) × (6x2y)

=(4×2×13)(6×22×1)

=(8)×24=192

RHS =24x3y4

=24 ×23×14

=24×8×1

=192

Therefore, LHS = RHS

Hence, (4xy3) × (6x2y)=24x3y4 verified.


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